@extends('layouts.app')
@section('title', __('Invoice').' '.$invoice->invoice_number)
@section('content')
@php
    $businessName = $appSettings['business_name'] ?? 'TradeERP';
    $customerName = $invoice->customer?->name ?? $invoice->walk_in_name ?? __('Walk-in Customer');
    $customerPhone = $invoice->customer?->phone ?? $invoice->walk_in_phone;
    $qrEnabled = ($appSettings['qr_enabled'] ?? '1') !== '0';
    $qrData = route('invoices.show', $invoice);
    $currentInvoiceAmount = max(0, (float) $invoice->total - (float) $invoice->previous_balance);
    $paymentReceived = (float) $invoice->payments->sum('amount');
    $finalOutstanding = max(0, (float) $invoice->previous_balance + $currentInvoiceAmount - $paymentReceived);
    $waMessage = $businessName."\n".__('Invoice').': '.$invoice->invoice_number."\n".__('Customer').': '.$customerName."\n".__('Previous Balance').': '.number_format($invoice->previous_balance,2).' '.$invoice->currency_code."\n".__('Current Invoice Amount').': '.number_format($currentInvoiceAmount,2).' '.$invoice->currency_code."\n".__('Payment Received').': '.number_format($paymentReceived,2).' '.$invoice->currency_code."\n".__('Final Outstanding Balance').': '.number_format($finalOutstanding,2).' '.$invoice->currency_code."\n".($appSettings['whatsapp_footer'] ?? 'Thank you for your business.');
    $waLink = \App\Support\WhatsApp::link($waMessage, $appSettings, $customerPhone, false);
@endphp
<div class="no-print d-flex gap-2 justify-content-end mb-3 flex-wrap">
    <a href="{{ route('invoices.index') }}" class="btn btn-light"><i class="fa-solid fa-arrow-left me-1"></i>{{ __('Invoices') }}</a>
    <a href="{{ route('invoices.edit', $invoice) }}" class="btn btn-light"><i class="fa-solid fa-pen me-1"></i>{{ __('Edit') }}</a>
    <form class="d-inline" method="POST" action="{{ route('invoices.destroy', $invoice) }}" onsubmit="return confirm('{{ __('Delete this invoice and restore stock?') }}')">@csrf @method('DELETE')<button class="btn btn-outline-danger"><i class="fa-solid fa-trash me-1"></i>{{ __('Delete') }}</button></form>
    @if($waLink)<a href="{{ $waLink }}" target="_blank" class="btn btn-outline-success"><i class="fa-brands fa-whatsapp me-1"></i>{{ __('Send WhatsApp') }}</a>@endif
    <button onclick="doPrint('a4')" class="btn btn-light"><i class="fa-solid fa-print me-1"></i>{{ __('Print A4') }}</button>
    <button onclick="doPrint('80')" class="btn btn-success"><i class="fa-solid fa-receipt me-1"></i>{{ __('Print 80mm') }}</button>
    <button onclick="doPrint('58')" class="btn btn-outline-success"><i class="fa-solid fa-receipt me-1"></i>{{ __('Print 58mm') }}</button>
</div>
<div class="card print-paper slip-paper">
    <div class="card-body p-4 p-md-5">
        <div class="d-flex justify-content-between gap-3 mb-4 flex-wrap">
            <div class="d-flex gap-3 align-items-start">
                @if(!empty($appLogoUrl))<img src="{{ $appLogoUrl }}" alt="{{ $businessName }}" class="invoice-logo hide-thermal">@endif
                <div>
                    <h3 class="mb-1">{{ $businessName }}</h3>
                    <div class="text-muted small">
                        {{ $appSettings['business_address'] ?? '' }}
                        @if(!empty($appSettings['business_phone']))<br>{{ __('Phone') }}: {{ $appSettings['business_phone'] }}@endif
                        @if(!empty($appSettings['business_email']))<br>{{ $appSettings['business_email'] }}@endif
                        @if(!empty($appSettings['tax_number']))<br>{{ __('Tax / Registration No.') }}: {{ $appSettings['tax_number'] }}@endif
                    </div>
                </div>
            </div>
            <div class="text-end">
                <h4 class="mb-1">{{ __('SALE INVOICE') }}</h4>
                <strong>{{ $invoice->invoice_number }}</strong><br>
                <small>{{ \App\Support\DualDate::format($invoice->invoice_date, 'd M Y') }}</small>
                @if($qrEnabled)<div class="qr-box mt-2 ms-auto"><img alt="QR" src="https://api.qrserver.com/v1/create-qr-code/?size=120x120&data={{ urlencode($qrData) }}"></div>@endif
            </div>
        </div>
        <div class="row mb-4 g-3">
            <div class="col-md-7"><small class="text-muted">{{ __('Bill To') }}</small><div class="fw-bold fs-5">{{ $customerName }}</div><div>{{ $customerPhone }}</div></div>
            <div class="col-md-5 text-md-end"><span class="badge badge-soft">{{ __($invoice->sale_type === 'retail' ? 'Retail' : 'Wholesale') }}</span><br><span class="badge badge-soft mt-1">{{ __(ucfirst($invoice->status)) }}</span></div>
        </div>
        <div class="table-responsive"><table class="table table-bordered"><thead><tr><th>#</th><th>{{ __('Item') }}</th><th class="text-end">{{ __('Qty') }}</th><th>{{ __('Unit') }}</th><th class="text-end">{{ __('Base Qty') }}</th><th class="text-end">{{ __('Price') }}</th><th class="text-end">{{ __('Total') }}</th></tr></thead><tbody>@foreach($invoice->items as $item)<tr><td>{{ $loop->iteration }}</td><td>{{ $item->product_name }}</td><td class="text-end">{{ $item->quantity }}</td><td>{{ $item->unit ?? $item->product?->unit }}</td><td class="text-end">{{ $item->base_quantity ?: $item->quantity }} {{ $item->product?->unit }}</td><td class="text-end money">{{ number_format($item->unit_price, 2) }}</td><td class="text-end money">{{ number_format($item->line_total, 2) }}</td></tr>@endforeach @if((float) $invoice->previous_balance > 0)<tr><td>{{ $invoice->items->count() + 1 }}</td><td>{{ __('Previous Invoice Balance') }}</td><td class="text-end">-</td><td>-</td><td class="text-end">-</td><td class="text-end money">{{ number_format($invoice->previous_balance, 2) }}</td><td class="text-end money">{{ number_format($invoice->previous_balance, 2) }}</td></tr>@endif</tbody></table></div>
        <div class="ms-auto" style="max-width:340px">
            <div class="d-flex justify-content-between"><span>{{ __('Subtotal') }}</span><span class="money">{{ number_format($invoice->subtotal, 2) }}</span></div>
            <div class="d-flex justify-content-between"><span>{{ __('Previous Balance') }}</span><span class="money">{{ number_format($invoice->previous_balance, 2) }}</span></div>
            <div class="d-flex justify-content-between"><span>{{ __('Discount') }}</span><span class="money">{{ number_format($invoice->discount, 2) }}</span></div>
            <hr>
            <div class="d-flex justify-content-between"><span>{{ __('Current Invoice Amount') }}</span><span class="money">{{ number_format($currentInvoiceAmount, 2) }}</span></div>
            <div class="d-flex justify-content-between fw-bold fs-5"><span>{{ __('Total Outstanding Before Payment') }}</span><span class="money">{{ number_format($invoice->total, 2) }} {{ $invoice->currency_code }}</span></div>
            <div class="d-flex justify-content-between text-success"><span>{{ __('Payment Received') }}</span><span class="money">{{ number_format($paymentReceived, 2) }}</span></div>
            <div class="d-flex justify-content-between text-danger fw-bold"><span>{{ __('Final Outstanding Balance') }}</span><span class="money">{{ number_format($finalOutstanding, 2) }}</span></div>
        </div>
        @if(!empty($invoice->notes))<div class="border-top mt-4 pt-3 small"><strong>{{ __('Notes') }}:</strong> {{ $invoice->notes }}</div>@endif
        @if(!empty($appSettings['invoice_terms']))<div class="border-top mt-4 pt-3 small text-muted hide-thermal"><strong>{{ __('Terms') }}:</strong> {{ $appSettings['invoice_terms'] }}</div>@endif
        <div class="d-flex justify-content-between mt-5 hide-thermal"><span class="signature-line">{{ __('Prepared By') }}</span><span class="signature-line">{{ __('Customer Signature') }}</span><span class="signature-line">{{ __('Signature') }}</span><span class="signature-line">{{ __('Stamp') }}</span></div>
        @if(!empty($appSettings['invoice_footer']))<p class="text-center text-muted mt-4 mb-0 small">{{ $appSettings['invoice_footer'] }}</p>@endif
    </div>
</div>
@if($invoice->due_amount > 0)
    <div class="card mt-3 no-print">
        <div class="card-body"><h6>{{ __('Record Payment') }}</h6><form method="POST" action="{{ route('invoices.payment', $invoice) }}" class="row g-2 align-items-end">@csrf<div class="col-md-3"><label class="form-label">{{ __('Amount') }}</label><input name="amount" type="number" step="0.01" max="{{ $invoice->due_amount }}" class="form-control" required></div><div class="col-md-3"><label class="form-label">{{ __('Method') }}</label><select name="method" class="form-select"><option value="cash">{{ __('Cash') }}</option><option value="bank">{{ __('Bank') }}</option><option value="mobile">{{ __('Mobile Money') }}</option><option value="other">{{ __('Other') }}</option></select></div><div class="col-md-3"><label class="form-label">{{ __('Date') }}</label><input name="payment_date" type="date" class="form-control" value="{{ now()->toDateString() }}"></div><div class="col-md-3"><button class="btn btn-success w-100">{{ __('Save Payment') }}</button></div></form></div>
    </div>
@endif
@endsection